<template>
  <el-card>
    <div class="page-tools">
      <!-- 左侧 -->
      <div class="left">
        <!-- v-if="$slots.left"  判断父组件有没有使用left具名插槽 -->
        <!--有了$slots， 在传入了left插槽时，就显示，否则就隐藏 -->
        <div v-if="$slots.left" class="tips">
          <i class="el-icon-info"></i>
          <slot name="left"></slot>
        </div>
      </div>
      <div class="right">
        <!-- 右侧 -->
        <slot name="right"></slot>
      </div>
    </div>
  </el-card>
</template>

<script>
export default {
  created() {}
}
</script>

<style lang="scss" scoped>
.page-tools {
  display: flex;
  justify-content: space-between;
  align-items: center;
  .tips {
    line-height: 34px;
    padding: 0px 15px;
    border-radius: 5px;
    border: 1px solid rgba(145, 213, 255, 1);
    background: rgba(230, 247, 255, 1);
    i {
      margin-right: 10px;
      color: #409eff;
    }
  }
}
</style>
